Use this method if your TV has no internet connection or if you have a specific firmware file (often a .bin or .img file) from TCL Support . : Format a USB drive to FAT32 .
The is a 43-inch Full HD Smart TV. Its "story" is one of a transition from the aging Android 8 (Oreo) ecosystem into a more modern, albeit hardware-limited, streaming experience . The Core: RT41 Chassis
: Download the correct firmware file and copy it to the root directory of a FAT32-formatted USB drive. Rename the file to Update.img if required by the specific instructions for your file type.